Senin, 09 April 2012

1.
Applications can be grouped into general use software or industry specific
software. What is example of industry specific software?

an
educational tool

presentation

spreadsheet

word
processing

database
management

2. What
characteristic of word processing software would make it a local application?

The
application is shared between users.

The
software is stored on the local hard drive.

The
software is accessible through a web page.

The
software has the ability to manipulate text and graphics.

3. Which
three terms describe different types of computers?

operating
system, network, desktop

laptop,
desktop, Windows

laptop,
desktop, mainframe

network,
desktop, mainframe

laptop,
desktop, mainframe

operating
system, Windows, Linux

4. What are
two benefits of connecting a laptop computer to a docking station?

Mobility
is increased and less power is required.

Mobility
is increased and an external monitor can be used.

An
external monitor can be used and more wireless security options are
available.

More
wireless security options are available and alternate connectivity options
may be available.

Alternate
connectivity options may be available and an external monitor can be used.

5. Why do
servers often contain duplicate or redundant parts?

Servers
require more power and thus require more components.

Servers
should be accessible at all times.

Servers
can be designed as standalone towers or rack mounted.

Servers
are required by networking standards to have duplicate parts.

6. What
measurement is commonly associated with computer processing speed?

bits

pixels

hertz

bytes

7. What are
two advantages of purchasing a preassembled computer?

usually a
lower cost and exact components may be specified

usually a
lower cost and extended waiting period for assembly

extended
waiting period for assembly and adequate for performing most general
applications

adequate
for performing most general applications and usually a lower cost

suited for
customers with special needs and exact components may be specified

8. A user
plans to run multiple applications simultaneously on a computer. Which computer
component is essential to accomplish this?

RAM

NIC

Video Card

Sound Card

Storage Device

9. Which
adapter enables a computer system to exchange information with other systems on
a local network?

Video Card

Sound Card

Modem Card

Network
Interface Card

10. What is
the main storage drive used by servers, desktops, and laptops?

tape drive

hard drive

optical
drive (DVD)

floppy
disk drive

11. Which
component is designed to remove high-voltage spikes and surges from a power
line so that they do not damage a computer system?

CPU

surge
suppressor

motherboard

hard drive

12. What two
functions does a UPS provide that a surge protector does not?

It
protects the computer from voltage surges and it provides backup power from
an internal battery.

It
protects the computer from voltage surges and it protects the computer from
sudden voltage spikes.

It
provides backup power from an internal battery and it gives the user time to
safely shut down the computer if the power fails.

It
protects the computer from sudden voltage spikes and it gives the user time
to phone the electrical company.

It
provides backup power through a generator provided by the wall outlet and it
gives the user time to phone the electrical company.

13. Which
computer component is considered the nerve center of the computer system and is
responsible for processing all of the data within the machine?

RAM

CPU

Video Card

Sound Card

Operating
System

14. What can
be used to prevent electrostatic discharge (ESD)?

dry and
non humid conditions

carpeted
floor

grounding
strap

uncluttered
work space

15. Because
of the potentially dangerous voltage levels, which two devices should you not
open unless you have been specifically trained to work on them?

mouse and
power supply

hard drive
and monitor

microprocessor
and keyboard

monitor
and power supply

hard drive
and power supply

16. In newer
operating systems, how are system resources assigned by default when components
are installed?

manually
assigned by the operating system

manually
assigned by the administrator

statically
assigned by the component to a preset resource

dynamically
assigned between the component and the operating system

17. A user
reports that a peripheral device that was installed correctly last week has not
been functioning since the PC was booted today. All other PC functions are
working properly. What are three things a service technician should do to solve
the problem?

Use
the testing functionality on the peripheral itself, if available.

Verify
that all cables are connected properly.

Disconnect
all cables connected to the computer except those connected to the
peripheral.

Disconnect
all cables connected to the computer except those connected to the
peripheral.

Ensure
that the peripheral is powered on.

Disconnect
the peripheral and verify that the computer is operating normally.

Use
the testing functionality on the peripheral itself, if available.

Verify
that all cables are connected properly.

Ensure
that the peripheral is powered on.

Disconnect
the peripheral and verify that the computer is operating normally.

Reload
the computer operating system.

Disconnect
all cables connected to the computer except those connected to the
peripheral.

Disconnect
all cables connected to the computer except those connected to the
peripheral.

Use
the testing functionality on the peripheral itself, if available.

Reload
the computer operating system.

18. Which
two steps should be performed when installing a peripheral device?

Download
and install the most current driver.

Connect
the peripheral using any cable and any available port on the computer.

Connect
the peripheral using any cable and any available port on the computer.

Test
the peripheral on another machine before installing it on the one where
it will be used.

Test
the peripheral on another machine before installing it on the one where
it will be used.

Download
and install the most current driver.

Download
and install the most current driver.

Connect
the peripheral using an appropriate cable or wireless connection.

Connect
the peripheral using an appropriate cable or wireless connection.

Check
the computer documentation to see if the peripheral vendor is compatible
with the PC vendor.

19. How is a
server different from a workstation computer?

The server
works as a standalone computer.

The server
provides services to clients.

The
workstation has fewer applications installed.

The
workstation has more users who attach to it.

20.
Administrators at a multicampus college need access to their schedules wherever
the administrators go. Which computing device would be the most appropriate?